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Finding the Fourth Proportional to 676,542.48, 933,628.98 and 370,629.93

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Solution

The fourth proportional to 676,542.48, 933,628.98 and 370,629.93 is: 511,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,542.48 : 933,628.98 = 370,629.93 : x
  2. Step 2: Convert to fraction form
    676,542.48/933,628.98 = 370,629.93/x
  3. Step 3: Cross multiply
    676,542.48x = 933,628.98 × 370,629.93
  4. Step 4: Simplify right side
    676,542.48x = 346,030,843,142.68
  5. Step 5: Solve for x
    x = 346,030,843,142.68/676,542.48
  6. Step 6: Final answer
    x = 511,469.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.